remove uses of cli.DefaultVersion()

It's hard-coded to the API defaultversion, so we can use
that const directly. Ultimately, this should be something
returned by the API client configured on the CLI, not the
CLI itself.

Signed-off-by: Sebastiaan van Stijn <github@gone.nl>

cli/command/cli.go

@@ -88,7 +88,7 @@ type DockerCli struct {
 	enableGlobalMeter, enableGlobalTracer bool
 }
 
-// DefaultVersion returns api.defaultVersion.
+// DefaultVersion returns [api.DefaultVersion].
 func (*DockerCli) DefaultVersion() string {
 	return api.DefaultVersion
 }

cli/command/system/version.go

@@ -16,6 +16,7 @@ import (
 	flagsHelper "github.com/docker/cli/cli/flags"
 	"github.com/docker/cli/cli/version"
 	"github.com/docker/cli/templates"
+	"github.com/docker/docker/api"
 	"github.com/docker/docker/api/types"
 	"github.com/pkg/errors"
 	"github.com/spf13/cobra"
@@ -89,20 +90,20 @@ type clientVersion struct {
 // information.
 func newClientVersion(contextName string, dockerCli command.Cli) clientVersion {
 	v := clientVersion{
-		Version:   version.Version,
-		GoVersion: runtime.Version(),
-		GitCommit: version.GitCommit,
-		BuildTime: reformatDate(version.BuildTime),
-		Os:        runtime.GOOS,
-		Arch:      arch(),
-		Context:   contextName,
+		Version:           version.Version,
+		DefaultAPIVersion: api.DefaultVersion,
+		GoVersion:         runtime.Version(),
+		GitCommit:         version.GitCommit,
+		BuildTime:         reformatDate(version.BuildTime),
+		Os:                runtime.GOOS,
+		Arch:              arch(),
+		Context:           contextName,
 	}
 	if version.PlatformName != "" {
 		v.Platform = &platformInfo{Name: version.PlatformName}
 	}
 	if dockerCli != nil {
 		v.APIVersion = dockerCli.CurrentVersion()
-		v.DefaultAPIVersion = dockerCli.DefaultVersion()
 	}
 	return v
 }

internal/test/cli.go

@@ -14,6 +14,7 @@ import (
 	registryclient "github.com/docker/cli/cli/registry/client"
 	"github.com/docker/cli/cli/streams"
 	"github.com/docker/cli/cli/trust"
+	"github.com/docker/docker/api"
 	"github.com/docker/docker/client"
 	notaryclient "github.com/theupdateframework/notary/client"
 )
@@ -104,8 +105,8 @@ func (c *FakeCli) Client() client.APIClient {
 }
 
 // CurrentVersion returns the API version used by FakeCli.
-func (c *FakeCli) CurrentVersion() string {
-	return c.DefaultVersion()
+func (*FakeCli) CurrentVersion() string {
+	return api.DefaultVersion
 }
 
 // Out returns the output stream (stdout) the cli should write on